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Thanks for that, BOAC. Unfortunately none of the steps suggested in the link solved the problem. Neither did updating to FF 17.

It worked fine this morning and now it's buggered. No other updates have been installed today and as even a system restore to a configuration from 2 weeks ago didn't fix it it's all a bit strange. A virus scan didn't find anything either.

I tried switching to Google, Comodo and OpenDNS but that didn't help. I would also have thought that if it was a DNS issue then all browsers would have been affected? As I mentioned earlier other browsers worked just fine (other browsers being IE9 and Chrome).

After having done a system restore to a 2 week old config, and as switching DNS, disabling firewall and anti-virus didn't help, I started uninstalling WIN7 updates and that did the trick. Why weeks old updates would suddenly stop Firefox from working I have no idea.

I ran windows update again and reinstalled all the updates. So far FF is still working.

M's online banking refused to work yesterday, having been fine for years. With Firefox, it got to the "Confirm payment" bit, then dropped back to the account summary and didn't make the payment.

I tried with Chrome, and it worked fine.

So I went back and looked more carefully. One of my Firefox plugins is HTTPS-Everywhere. It seems the bank now has a non-HTTPS tracker running alongside the HTTPS main site, and that offends the plugin. I think I agree with the plugin about that.

the problem is when the online payment verification screen kicks in, NoScript sees that as cross-site scripting (which it is) and blocks it You've a choice: play with the config settings of NoScript (and possibly AdBlock plus) or do what I do: use Mozilla plus plugins for day-to-day browsing, relatively safely but reserve IE specifically for online purchases and nothing else

Please also mark me down as being dissatisfied with FF version 17.0.1. (Using XP up to date). Problems noted: 1) Occasional blank screen after clicking on a link or bookmark, followed by nothing. Close active window - try again - works OK. 2) Occasional milky / opaque screen after clicking on a URL found in a Gurgle search - followed by nothing. Close active window - try again - works OK. 3) A return of a previous issue where saving a PDF file in Foxit viewer (or acrobat -doesn't matter which) causes the machine hang / freeze for up to 30 seconds before returning control to the user. This was happening with earlier versions but was fixed somewhere around v13 or similar. Now it's back

Is it all that difficult or dangerous to re-install the previous version - or roll back to it?

And there's the stupid opening message present in some earlier versions of Thunderbird but especially annoying when one starts version 17: "This folder is being processed. Please wait until processing is complete to get messages." which requires an OK click to get on with the main functions of the program. Infuriating! We know it takes .05 of a second for things to happen. We accept that. So why make us acknowledge a silly damn message which states the bleedin' obvious, before allowing access to the program's functions?

FoR

Last edited by FullOppositeRudder; 7th Dec 2012 at 07:08.
Reason: Test for "the reasons for editing" feature ....